Source Crayola® CSS3 CSS4
#7f7d6b
 
#757575
sonic silver
#808080
grey
#808080
grey
#5b5243
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#49395f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8a96a5
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#804880
 
#8d4e85
razzmic berry
#696969
dim grey
#663399
rebeccapurple